Two in five people in the world marry their first love.
270
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
The single biggest predictor of love is proximity.
30
Men who kiss their wives in the morning live five years longer than those who don't.
1k
The average person will go on a date at least 100 times before they finally marry.
33